A(an) _____ asserts that a value appearing in one relation must also appear in the primary-key component(s) of another relation
a. Unique key constraint
b. Primary key constraint
c. Foreign key constraint
d. Candidate key constraint
Answer: C
A(an) _____ asserts that a value appearing in one relation must also appear in the primary-key component(s) of another relation
a. Unique key constraint
b. Primary key constraint
c. Foreign key constraint
d. Candidate key constraint
Answer: C